Continuous kiln with traveling hearth.



PPOLD.

Jan; 10, 19 11. 'HBETS-SHBE T 2.:

11 1: 111 1 HEARTH.

Yam

CONTINUOUS KILN WI APPLICATION 981,109.

. a citizen of the with traveling hearths of the kind which is on the portions of the hearth plate situated provided with projections on the hearth to 0 uts1d e t e vertical portion a, andmake a engage with grooves in the walls of the furt ght oint thus preventing the admission of nace chamber?" .The projections, formed .of air from the bottom of the furnace chamrefractory material, according to this invener. he parts it which pro ectoutside the tion are sometimes provided with upwardl vertical wall it serve the same purpose as tuined edges and sometimes project without e pro ections c in Fig. l e ashes are such edges; and holes are provided in the removed from the furnace during the moveroof of the chamber through which fuel or ment of, the hearth. In the first construcother material can be fed on to the projec hen, the projections c and a receive the fuel 2 tions. falling down'from above, which fuel is then The accompanying drawings show in burned to ashes and in that state constitutes cross-section two constructions of the fura tight oint between the hearth and the mace according to this invention?! furnace chamber and is then removed from In the construction shown in Figure 1, theurnace chamber during the movement the walls a on the traveling hearth b are of t e earth. It is .ef course understood provided at both sides with projections a that in both constructions sand nstead of made of refractory material which en a es ashes can be used for forming a tlght joint with grooves'al in the lateral wall s o 51c between the hearth and the furnace furnace chamber a extending throughout What I claim as my invention and desire the whole of the length or throughout the to secure by Letters Patent is length of the burning zone. The lateral 1. In a furnace a traveling hearth, a Inprojections 0 thus move with the traveling rality of horizontal lateral projections ther hearth and fuel or some loose paoking'maon formed of ceramic material and disposed terial such as ashes is charged through the in several horizontal planes, continuous holes 8 in the roof of the mace chamber. grooves in the walls of the furnace cham- The upturned edges 0, on the heartl plate er to engage one of said .projections on' it of the carriage 'w traveling on a track -are both sides of the hearth, and passa made of the same material as the hearth through the roof of thechamber through itself, and engage with the undercut or which uel or other material can be fed'on 40 tions d of the widened portions e of the to said projections and reduced there to ashes rnace chamber. These edges 0' canv be so as tomake atightjoint onthe traveling used,- as shown in Fig. 1, in conjunction hearth. v I with two series of lateral projections c, for 2. In a furnace a traveling hearth, a pluhindering the air from passing from the bot rality of'horizontal lateral projections theretom of the chamber into the upper part, loose on formed of ceramic material and disposed packing material such as ashes being used in in several horizontal planes, continuous connection with the projections and grooves. grooves in the walls of the furnace cham- The lateral projections 0 need not extend berft'o engagesaid projections, and asthroughout the whole length of'the hearth, sages through the roof of the chamber 0 but could be arranged in a staggered order, throu h whichfuel or other material can in such manner as-to form'a stepped grate-or fed on to [said projections and reduced fuel surface. Or only one of such lateral there to ashes as to make a tight joint on projections 0 could be used on each side. 4 the. traveling heart In the construction shown in Fig. 2, the 3. In a 'cea traveling heart a plu- 5 ledges f project from the lateral walls of the 'rali ty of horizontal staggered lateralv pro- Jonanu'narrornor A -Lswin 'nna'n BAsnL, swrrznnmnn; coivrrnuous KrLNwIr'H rnavnmns HEARTH.

981,109. of Letters Patent. Patented n; 10,1911.

Specification Application filed October 17, 190]; Serial No. 397,943. To all whom it may concern: 'under but portions d with which engage the that "I, fJoHANN Barrow, Swiss Republic, reslchngat lswil, near Baselg'switzerland, have n- -Be it known edges c of the portions h of the hearth or floor of a carriage .'w traveling on a track.

In th s case the said portions it constitute Vented certain newj and useful Improvethe travellng grate or fuel surface Fuel ments in' Continuousl Kilns with Traveling falling down from the StOkID holes of the Hearths, of which the following 'is a specifurnace falls in the latter constructions on fication. I I to the pro ections f and on the parts h of the This invention relates to kilns or furnaces hearth, is burned them to ashes which fall furnace chamber 70 and are provided with ections thereon, formed of'ceramic material and disposed in several horizontal planes to f t d t I f f 1 U grooves in the walls of the furnace chamorm a seppe ra e or us, con inuous her to engage said projections, and passages to engage one of said projections on both which fuel or other material can befed 0n 5 sides of the hearth, and passages through to the projections and'reduced there so as the roof of the chamber through which fuel to make a tight joint on the travelinghearth. or other material can be fed on to the pro- In Witness whereof I have hereunto set jections and reduced there to ashes so asto my hand inthe presence of two Witnesses.

'- '.ma'ke a tight joint on the traveling hearth. Basel, October 5, 1907.

10 4.1[11 a furnace a traveling hearth, a plu- -frality ofhorizontal staggered lateral pro- JOHANN RAPPOLD? ections thereon, formed ofceramicmaterial Witnesses: --and disposed in se'yeral horizontal planes to IIANS STIGKELBERGER,

' for-n1 a stepped grate for fueLcontinuous Gno. Grrrom).

grooves in the wa ls of the furnace chamber through the roof of the chamber through 

